Home / 89,592,016.40-134,412,907.80-38,498,512.40

Finding the Fourth Proportional to 89,592,016.40, 134,412,907.80 and 38,498,512.40

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Solution

The fourth proportional to 89,592,016.40, 134,412,907.80 and 38,498,512.40 is: 57,758,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,592,016.40 : 134,412,907.80 = 38,498,512.40 : x
  2. Step 2: Convert to fraction form
    89,592,016.40/134,412,907.80 = 38,498,512.40/x
  3. Step 3: Cross multiply
    89,592,016.40x = 134,412,907.80 × 38,498,512.40
  4. Step 4: Simplify right side
    89,592,016.40x = 5,174,696,997,658,357
  5. Step 5: Solve for x
    x = 5,174,696,997,658,357/89,592,016.40
  6. Step 6: Final answer
    x = 57,758,461.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.